Short answer: the Perlisten S4b on measured sound quality, the Sonus Faber Lumina II Amator on price. The Perlisten S4b ranks #2 of 130 bookshelf speakers at $8000. The Sonus Faber Lumina II Amator ranks #106 at $2000, $6000 cheaper.
What the Sonus Faber Lumina II Amator offers: Solid bass extension for a bookshelf (F3 63Hz, F10 43Hz), reaching about 50Hz in-room. Decent sensitivity and wide, consistent horizontal dispersion (~60-70 degrees) - better directivity than expected for a two-way design. Gorgeous, luxury-grade cabinet design. Watch for: Very bright treble, running 3-6dB above the midrange depending on measurement angle - independently corroborated by other owners online, not just one reviewer’s opinion. Causes audible sibilance and a forward, grainy character. Notably the brightest of three Sonus Faber models Erin’s Audio Corner has tested, even brighter than the brand’s own Sonetto II G2. A mechanical resonance/ringing artifact shows up around 1kHz in measurements. Needs a subwoofer for anything below about 50Hz.
What the Perlisten S4b offers: Reference-grade directivity and output from a compact sealed monitor. Erin called its radiation behavior the smoothest he had measured: Perlisten’s DPC array (beryllium tweeter between two midrange domes) shapes vertical output while transitioning cleanly to the 7-inch woofer. Harmonic distortion remains below 1% at 86dB and, above 100Hz, also below 1% at 96dB; compression is exceptionally low. The response is highly linear, the midrange was a listening highlight, and the sealed F10 of 40Hz provides a predictable slope for subwoofer integration. Watch for: Erin measured only 84.5dB sensitivity and an impedance minimum just under 4 ohms, a difficult efficiency/load combination that deserves substantial clean amplification. Its 78Hz F3 means a subwoofer is effectively mandatory for full-range listening despite the 40Hz F10. A roughly +3dB feature around 10kHz appears on-axis, though Erin did not find it objectionable. Price is extreme for a stand-mount and the tightly managed vertical radiation makes correct stand height important.
Buy the Sonus Faber Lumina II Amator if the price matters more than sound quality. Buy the Perlisten S4b if sound quality matters more than the price.
The Sonus Faber Lumina II Amator is not a sound-quality pick. It sits near the bottom of the 130 bookshelf speakers; there are better options higher up.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Sonus Faber Lumina II Amator | Perlisten S4b | |
|---|---|---|
| Price | $2000 per pair | $8,000 per pair |
| Ranked | #106 of 130 in Large Size Bookshelf Speakers | #2 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 43Hz (measured, Erin's Audio Corner) | 40Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 63Hz (measured, Erin's Audio Corner) | 78Hz (measured, Erin's Audio Corner) |
| Impedance | 4 ohms nominal, 3.9 ohms minimum (measured, Erin's Audio Corner) | Just under 4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 86.9dB (2.83V/1m, measured by Erin's Audio Corner) | 84.5dB/2.83V/1m (measured, Erin's Audio Corner) |
| Drivers | 1.14" DAD (Damped Apex Dome) tweeter, 5.9" paper cone woofer | DPC array with 28mm beryllium tweeter and dual 28mm midrange domes; 7" woofer |
| Weight | 12.8 lbs (5.8 kg) | 24.3 lbs (11 kg) each |
| Dimensions | 12" x 7.1" x 10.4" (304 x 180 x 263 mm) | 16.5"H x 9.4"W x 7.3"D |
| Frequency Response | 55Hz - 24kHz (Manufacturer specified) | - |
| Crossover Frequency | 2600Hz | - |
| Woofer Cabinet | Bass reflex, ported | sealed |
| Recommended Power | 30W - 150W | - |
| Country | Italy (Vicenza) | - |
| Spinorama Preference Score | - | 4.58 |
| Spinorama Preference Score with Perfect Sub | - | 7.24 |
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Prices on this page were last checked September 16, 2026 at 12:41 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Sonus Faber Lumina II Amator: $2000 per pair Crutchfield eBay
Pros: Solid bass extension for a bookshelf (F3 63Hz, F10 43Hz), reaching about 50Hz in-room. Decent sensitivity and wide, consistent horizontal dispersion (~60-70 degrees) - better directivity than expected for a two-way design. Gorgeous, luxury-grade cabinet design. Measured bass extension of 63Hz (-3dB), with a measured sensitivity of 86.9dB.
Cons: Very bright treble, running 3-6dB above the midrange depending on measurement angle - independently corroborated by other owners online, not just one reviewer’s opinion. Causes audible sibilance and a forward, grainy character. Notably the brightest of three Sonus Faber models Erin’s Audio Corner has tested, even brighter than the brand’s own Sonetto II G2. A mechanical resonance/ringing artifact shows up around 1kHz in measurements. Needs a subwoofer for anything below about 50Hz.
Full Sonus Faber Lumina II Amator review and specifications →
| Bass Extension (-10dB) | 43Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 63Hz (measured, Erin's Audio Corner) |
| Country | Italy (Vicenza) |
| Crossover Frequency | 2600Hz |
| Dimensions | 12" x 7.1" x 10.4" (304 x 180 x 263 mm) |
| Drivers | 1.14" DAD (Damped Apex Dome) tweeter, 5.9" paper cone woofer |
| Frequency Response | 55Hz - 24kHz (Manufacturer specified) |
| Impedance | 4 ohms nominal, 3.9 ohms minimum (measured, Erin's Audio Corner) |
| Recommended Power | 30W - 150W |
| Sensitivity | 86.9dB (2.83V/1m, measured by Erin's Audio Corner) |
| Weight | 12.8 lbs (5.8 kg) |
| Woofer Cabinet | Bass reflex, ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- Sonus Faber Lumina II Amator vs Sonus Faber Sonetto II G2
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Perlisten S4b: $8,000 per pair Perlisten Dealer Locator eBay
Pros: Reference-grade directivity and output from a compact sealed monitor. Erin called its radiation behavior the smoothest he had measured: Perlisten’s DPC array (beryllium tweeter between two midrange domes) shapes vertical output while transitioning cleanly to the 7-inch woofer. Harmonic distortion remains below 1% at 86dB and, above 100Hz, also below 1% at 96dB; compression is exceptionally low. The response is highly linear, the midrange was a listening highlight, and the sealed F10 of 40Hz provides a predictable slope for subwoofer integration. Measured bass extension of 78Hz (-3dB), with a measured sensitivity of 84.5dB.
Cons: Erin measured only 84.5dB sensitivity and an impedance minimum just under 4 ohms, a difficult efficiency/load combination that deserves substantial clean amplification. Its 78Hz F3 means a subwoofer is effectively mandatory for full-range listening despite the 40Hz F10. A roughly +3dB feature around 10kHz appears on-axis, though Erin did not find it objectionable. Price is extreme for a stand-mount and the tightly managed vertical radiation makes correct stand height important.
Full Perlisten S4b review and specifications →
| Bass Extension (-10dB) | 40Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 78Hz (measured, Erin's Audio Corner) |
| Dimensions | 16.5"H x 9.4"W x 7.3"D |
| Drivers | DPC array with 28mm beryllium tweeter and dual 28mm midrange domes; 7" woofer |
| Impedance | Just under 4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 84.5dB/2.83V/1m (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 4.58 |
| Spinorama Preference Score with Perfect Sub | 7.24 |
| Weight | 24.3 lbs (11 kg) each |
| Woofer Cabinet | sealed |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons